# -*- coding: utf-8 -*-
"""
Created on Wed Jul 11 11:24:23 2018
This is module level documentation,
it should be written at the begining of the doc.
@author: Sam
"""

class Hero:
    """
    A class level documentation
    for setting up the class.
    """
    
    def __init__(self, name='关羽'):
        self.name = name
        
    def get_name(self):
        """
        Return the name of the hero.
        This is method level documentation.
        """
        return self.name
    
def plus_two(sth):
    """
        Plus sth. by 2,
        this is functional level documentation.
    """
    return sth + 2